Qhov ob chav helix cone ua ke yog siv dav hauv kev lag luam chemical, tshuaj tua kab, khoom siv ploj tuag, khoom noj khoom haus, khoom noj khoom haus, khoom siv ua khoom siv, lub ntiaj teb tsis tshua muaj thiab lwm cov hmoov av sib xyaw thiab hmoov. Ob chav helix lub khob hliav yuav tsis hnov mob rau cov khoom kub rhiab, tseem yuav tsis zuaj thiab zom cov granules. Dhau li ntawm, kev sib xyaw ua ke ob chav helix cone yuav tsis sib cais rau kev sib xyaw qhov hnyav thiab qhov ntau thiab tsawg. Peb tuaj yeem nce lub tsho nyob ib puag ncig ntawm lub cev sib xyaw raws li cov txheej txheem thev naus laus zis raws li cov txheej txheem thev naus laus zis.Thiab sau cov khoom lag luam txias lossis kub tshaj tawm kom tau txias lossis cua sov hom phiaj. Rau qhov ua kom txias, cov khoom lag luam tawm yog feem ntau siv dej. Rau cov cua sov, cov khoom lag luam tshaj tawm tuaj yeem yog vapor lossis hluav taws xob los yog los ntawm cov roj ua kom sov.
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